Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2012

Table Text Block [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		Three Months Ended				Six Months Ended
		June 30				June 30
		2012		2011		2012		2011
Numerator:
	Net income attributable to Hubbell	$	77.5	$	65.2	$	140.7	$	115.5
	Less: Earnings allocated to participating securities		0.3		0.3		0.5		0.5
	Net income available to common shareholders	$	77.2	$	64.9	$	140.2	$	115.0
Denominator:
	Average number of common shares outstanding		59.1		60.0		59.2		60.2
	Potential dilutive shares		0.6		0.8		0.6		0.8
	Average number of diluted shares outstanding		59.7		60.8		59.8		61.0
Earnings per share:
	Basic	$	1.31	$	1.08	$	2.37	$	1.91
	Diluted	$	1.29	$	1.07	$	2.34	$	1.89